/Engine/Plugins/Experimental/DefaultInstallBundleManager/Source/Public/InstallBundleSourceBulk.h
Updates content on disk if necessary BundleContexts contains all dependencies and has been deduped
virtual void RequestUpdateContent ( [FRequestUpdateContentBundleContext](API\Runtime\InstallBundleManager\IInstallBundleSource\FRequestUpdateCo-) BundleContext )